if(!empty($_SESSION['age_ot']) && !empty($_SESSION['age_do'])) $poisk_set .= " AND `age` >= '".$_SESSION['age_ot']."' AND `age` <= '".$_SESSION['age_do']."' "; if(!empty($_SESSION['age_ot']) && !empty($_SESSION['age_do'])) $poisk_set .= " AND `age` >= '".$_SESSION['age_ot']."' AND `age` <= '".$_SESSION['age_do']."' ";